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  • David Heeger
  • Biology, Medicine
  • Visual neuroscience
  • 1992 (First Publication: 1 November 1992)
  • Simple cells in striate cortex have been depicted as rectified linear operators, and complex cells have been depicted as energy mechanisms (constructed from the squared sums of linear operatorExpand
    The simplest illustration of a steerable function is the first-order directional derivative of a two-dimensional Gaussian. Although we will only consider Gaussians, the principle of steerability mayExpand